" BTW: looking earlier I noticed some discrepancies between pages,
summary claimed that result is big, specific page claimed timeout."

Can you please give specific link(s) to these pages so I can look and see 
what is the issue?

Thanks
--Nasser

On Monday, August 22, 2022 at 11:12:27 AM UTC-5 Waldek Hebisch wrote:

> On Sat, Aug 20, 2022 at 11:15:25PM -0700, 'Nasser M. Abbasi' via FriCAS - 
> computer algebra system wrote:
> > FYI,
> > 
> > (Posted at https://groups.google.com/g/fricas-devel and 
> > https://groups.google.com/g/sci.math.symbolic)
> > 
> > Independent CAS integration tests summer 2022 edition is now complete.
> > (It took about 5 months since I initially started working on it!)
> > 
> > <
> https://www.12000.org/my_notes/CAS_integration_tests/reports/summer_2022/index.htm
> >
> >
>
> Thanks for your effort.
>
> I looked at integrals were you report much higher size than
> "optimal". For FriCAS there are several cases where you
> report size thousends time larger than other systems.
> However, when I try the examples I see large result,
> but much smaller and quite different than result on
> your pages. In particular:
>
> File nr command
> 25 1276 integrate(1/(b*x^5+a), x)
> 29 186 integrate((h*x^5+g*x^4+f*x^3+e*x^2+d*x+c)/(-b*x^4+a),x)
> 42 21 integrate((f*x^2+e*x+d)/(c*x^4+b*x^2+a),x)
> 43 22 integrate(x^3*(C*x^2+B*x+A)/(c*x^4+b*x^2+a),x)
> 51 134 integrate(x^2/(-x^4+4*x^3-8*x^2+a+8*x),x)
> 79 254 integrate(1/(a-b*sin(x)^8),x)
> 95 79 integrate(1/(a-b*cos(x)^8),x)
> 103 1257 integrate(1/(a+b*tan(f*x+e))/(c+d*tan(f*x+e))^(3/2),x)
> 104 354 integrate(cot(d*x+c)*(A+B*tan(d*x+c))/(a+b*tan(d*x+c))^(3/2),x)
>
> ATM my guess is that Sage is transforming FriCAS result making
> it _much_ larger. AFAICS in all FriCAS result involve implict
> algebraic quantities (constants).
>
> BTW: looking earlier I noticed some discrepancies between pages,
> summary claimed that result is big, specific page claimed timeout.
>
> -- 
> Waldek Hebisch
>

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    • Re: [fricas-d... 'Nasser M. Abbasi' via FriCAS - computer algebra system
      • Re: [fric... Waldek Hebisch
        • Re: [... 'Nasser M. Abbasi' via FriCAS - computer algebra system
          • R... Waldek Hebisch
            • ... Ralf Hemmecke
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  • Re: [fricas-devel]... Qian Yun

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